Home / 2,180,514.09-3,271,263.31-721,556.80

Finding the Fourth Proportional to 2,180,514.09, 3,271,263.31 and 721,556.80

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Solution

The fourth proportional to 2,180,514.09, 3,271,263.31 and 721,556.80 is: 1,082,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,514.09 : 3,271,263.31 = 721,556.80 : x
  2. Step 2: Convert to fraction form
    2,180,514.09/3,271,263.31 = 721,556.80/x
  3. Step 3: Cross multiply
    2,180,514.09x = 3,271,263.31 × 721,556.80
  4. Step 4: Simplify right side
    2,180,514.09x = 2,360,402,285,921.01
  5. Step 5: Solve for x
    x = 2,360,402,285,921.01/2,180,514.09
  6. Step 6: Final answer
    x = 1,082,498.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.